Transcript Tens & Ones ppt

Numbers to 50 (fifty)
We have learned to trade 10
ones for 1 ten.
=
TENS
This is the tens column.
One ten equals 10 ones.
ONES
This is the ones column.
Two groups of ten
Three groups
of ten
Four groups of ten
twenty
thirty
forty
20
30
40
How many
groups of ten
are here? 5
What number
does 5 tens equal
to? 50 Fifty
Knowing how
many tens and
ones are in a
number will help
us practice
numbers to 50.
TENS ONES
Knowing
this, we
know that
our number
is 36.
Thirty six
This tells us that
there are 3
groups of ten.
This tells us
that there are
6 ones.
TENS
ONES
Knowing
this, we
know that
our number
is
48.
Forty eight
This tells us that
there are 4
groups of ten.
This tells us
that there are
8 ones.
TENS ONES
= 35
Thirty five
TENS
ONES
= 21
Twenty one
Pick the correct number:
4 tens
24
1 tens
14
2 ones
42
4 ones
41
5 tens
15
3 tens
30
1 ones
51
0 ones
03
4 tens
24
1 tens
14
2 ones
42
4 ones
41
5 tens
15
3 tens
30
1 ones
51
0 ones
03